CN101514542A - Device for overhauling bridge approach pier, bent cap and box girder of a bridge - Google Patents
Device for overhauling bridge approach pier, bent cap and box girder of a bridge Download PDFInfo
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- CN101514542A CN101514542A CNA2009100477607A CN200910047760A CN101514542A CN 101514542 A CN101514542 A CN 101514542A CN A2009100477607 A CNA2009100477607 A CN A2009100477607A CN 200910047760 A CN200910047760 A CN 200910047760A CN 101514542 A CN101514542 A CN 101514542A
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Abstract
The invention provides a device for overhauling a bridge approach pier, a bent cap and a box girder of a bridge, which is used for overhauling, detecting and maintenance service and blocked on a bridge approach cement guardrail to serve as a support body by a suspension cable and a Pi-shaped hanger device; a horizontal shifting device is arranged below the bridge deck of the suspension cable; an idler pulley of the horizontal shifting device rides on the suspension cable; the underneath of the cable is connected with an operation platform, one side of the operation platform is connected with a driving mechanism wire cable and a safe lock wire cable from the horizontal shifting device; the operation platform is connected with a driving mechanism and a safe lock; a truss post is arranged between the suspension cable and the ground below the bridge deck; the upper part of the post is provided with the horizontal shifting device. The device has the advantages of simple structure, low cost, simple and convenient operation without occupying underbridge roads, influencing road traffic, being limited by the height and dead angle, setting up a scaffold, using an import car hydraulic elevating operation bucket and solves the job engineering of various overhauling of the bridge approach of the bridge and greatly reduces the repairing cost of the engineering.
Description
Technical field
The present invention relates to the bridge repair apparatus, particularly a kind of river bridge access bridge bridge pier, bent cap, case beam apparatus for examination and repair more.
Background technology
Bridge access bridge bridge pier, bent cap, case beam and leader are all wanted maintenance and inspection every year, every 2～3 years to the surface to carry out application, the repair method of habitually in the past being accustomed to usefulness is:
1, set up scaffold, promptly large tracts of land is set up full hall scaffold and is maintained and coating project.Because the construction operation area is very big, engineering quantity is but very little, often sets up the chronic of scaffold, it is but very short to carry out the repair time, and it is very high to set up the scaffold cost, and wants obstruction, take road under the bridge, become the difficult problem of bridge access bridge maintenance engineering puzzlement for a long time.
2, adopt vehicular hydraulic elevation type work jibs,, do not take or take less road under the bridge though possess easy to usely, advantages such as constructing operation speed is quick, but operation height is limited to below 20 meters, and the investment of disposable purchase of equipment is expensive, can't construct in some dead angle
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of suspension cable type bridge bridge pier, bent cap, case beam apparatus for examination and repair, simple in structure, cost is low, simple to operation, do not take road under the bridge, do not influence road traffic.
The present invention solves the problems of the technologies described above the technical scheme of being taked: a kind of suspension cable type bridge access bridge bridge pier, bent cap, case beam apparatus for examination and repair, wherein, hang cable and hang tag on access bridge concrete guardrail as supporting mass, will hang the cable tensioning by " ∏ " type hooking device; Move horizontally slide block hanging to locate to be equipped with below the cable bridge floor, the guide wheel that moves horizontally slide block rides over and hangs on the cable;
Working platform hangs with the driving mechanism wire rope connecting hole that moves horizontally slide block bottom rope support and is connected; On access bridge concrete guardrail bottom end cover beam end place suspension cable, the corner cornue is housed, on the junction plate of corner cornue, is connected with quarter block with connecting rod;
One end of driving mechanism wire rope is connected with driving mechanism wire rope connecting hole on moving horizontally slide block lower end rope support, and the other end is connected with driving mechanism wire rope weight;
One end of driving mechanism is connected with job platform, and the other end links to each other after passing the driving mechanism wire rope;
One end of safety lock wire rope is connected with safety lock wire rope connecting hole on moving horizontally slide block lower end rope support, and the other end is connected with safety lock wire rope weight;
One end of safety lock is connected with job platform, and the other end links to each other after passing the safety lock wire rope;
In the middle of the access bridge bottom and between the ground, be provided with the self-supporting column; On self-supporting column top electronic horizontal mobile mechanism is installed, the end that nylon moves rope with move horizontally slide block and be connected, after reeling by the mobile rope semi-circular recesses on the mobile rope reel again, again by quarter block with move horizontally slide block and be connected, move horizontally between the slide block with another and be connected moving horizontally slide block with wire rope.
Described suspension cable is suspension cable after applying prestressing force, is parallelly hung tag on access bridge concrete guardrail by " ∏ " type hooking device by 1～3 while.
Generally needing two covers or three cover suspension cables and two covers or three cover " ∏ " type hooking devices to hang tag simultaneously uses on access bridge concrete guardrail.
Described " ∏ " type hooking device is installed on the access bridge concrete guardrail, " ∏ " type hooking device is made up of two crossbeams and each two vertical shaped steel of access bridge concrete guardrail both sides, crossbeam is shelved on plane on the access bridge concrete guardrail, two vertical shaped steel hook access bridge concrete guardrail inboard, and two vertical shaped steel hook the access bridge concrete guardrail outside in addition; On crossbeam top two selenodont anchor ears are arranged, anchor ear is on the steel tubular handrailing above the access bridge; The load that hangs cable is carried on the access bridge concrete guardrail on the plane and steel tubular handrailing, safe and reliable in order to guarantee the access bridge concrete, on two vertical shaped steel of " ∏ " type hooking device inboard, be connected with the vertical shaped steel that hangs counterweight or " ∏ " type hooking device inboard and bridge floor wear bridge safety wire rope and connecting rod is connected; Connect a transverse slat on the vertical shaped steel in " ∏ " type hooking device outside, two through holes are arranged on the transverse slat, as two connection perforation of hanging the cable end adjusting screw(rod), adjusting screw(rod) works to regulate tensioning to hanging cable.
The described slide block that moves horizontally, comprise wheel bracket, guide wheel, bearing pin, pressing plate, rope support, wherein, the guide wheel that moves horizontally slide block rides over and hangs on the cable, the junction plates that four band pin-and-holes are arranged at wheel bracket top are equipped with guide wheel in per two junction plates, pass with bearing pin to tighten up with nut after connecting plate hole, above bearing pin one end, bearing pin is compressed, bearing pin is rotated with a pressing plate; Be connected with three bolt and nuts with rope support in the wheel bracket bottom and tighten up, there are two holes the rope support middle and lower part, and one is driving mechanism wire rope connecting hole, and another is a safety lock wire rope connecting hole.
Described corner cornue, comprise straight tube, bend pipe, junction plate, backing plate pressing plate, bolt, wherein, the corner cornue that middle two straight tubes in bend pipe two ends and pressing plate are welded and fused is welded with junction plate with holes in the bend pipe outside, hang the connection quarter block on the junction plate, be welded with backing plate at two straight tube places, there is screw the backing plate both sides, tightens up with nut after passing the backing plate screw with bolt, respectively there are two bolts at corner cornue two ends, and bolt one end withstands on bent cap one side.
Described job platform is a trussed construction, and its length is at 6～12 meters, and width is equipped with electric appliance control box at 0.6～1 meter in the job platform, and is connected with each consumer with power cable, and every job platform two ends are connected with driving mechanism and safety lock.
Described column truss type is the self-supporting column, or is with the attaching column of column anchor ear on bridge pier; On bridge pier, an end of wire rope is connected with the attaching column attaching column with two wire rope anchor ears, and the other end is connected with adjusting screw(rod), and adjusting screw(rod) is connected with junction plate again, wherein,
Described self-supporting column constitutes trussed construction by four principal posts, its top is equipped with bracing frame, the well word bracing frame that bracing frame is made of four support columns and cross bar, four support columns are connected with self-supporting principal post top by angle steel, one feed screw nut is connected with equipped good top board with holes, top board with holes and the welding of well word bracing frame, but a screw mandrel screws in height up and down in the feed screw nut, the screw mandrel upper end is connected with threaded " U " type fork, will hang cable with nut and clamp.
Described electronic horizontal mobile mechanism is installed in self-supporting column top, comprise that motor connects reducer, mobile rope reel, reel connecting axle, shaft coupling, nylon and moves rope, bearing support, wire rope, wherein, motor connects reducer and is connected with the reel connecting axle by shaft coupling, the rope of moving semi-circular recesses is arranged on the mobile rope reel, and the bearing support that connects by reel connecting axle two ends is connected with base plate again; Or use the hand horizontal mobile mechanism, spur with two nylon ropes, an end of a nylon rope with move horizontally slide block and be connected, the other end is by personnel selection pulling behind the quarter block; One end and another of another root nylon rope move horizontally slide block and are connected, and the other end can make unloaded job platform mobile operating scope equally by personnel selection pulling behind the quarter block.
But manually horizontal mobile mechanism generally is used for the job platform zero load and moves, during work, be that unloaded job platform is placed on the ground, move rope with pulling nylon, job platform is moved on to the position that needs, by the driving mechanism on the job platform job platform is raised to the work operations position again.
The invention has the beneficial effects as follows:
The invention a kind of suspension cable cable type access bridge bridge pier, bent cap, case beam and leader upkeep operation device, simple in structure, cost is low, simple to operation, do not take road under the bridge, do not influence road traffic, be not subjected to bridge pier height and scope of operation dead angle restriction, need not set up scaffold, without imported auto hydraulic lifting operation bucket, not only soon, not only good but also economize ground and in time solve bridge access bridge bridge pier bent cap, case beam and leader upkeep operation engineering, particularly reduce the engineering recondition expense greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of " ∏ " of the present invention type hooking device.
Fig. 3 is a corner cornue structural representation of the present invention.
Fig. 3 A is the lateral view of Fig. 3.
Fig. 4 moves horizontally the structural representation of slide block for the present invention.
Fig. 5 is the A-A sectional view of Fig. 4.
Fig. 6 is the structural representation of the electronic horizontal mobile mechanism of the present invention.
Fig. 7 is the structural representation of self-supporting column of the present invention.
Fig. 8 is the structural representation of Fig. 7 end support shelves.
Label declaration in the accompanying drawing
1-hangs cable 101-and hangs the cable adjusting screw(rod)
2-" ∏,, the vertical shaped steel of type hooking device 21-crossbeam 22-
23-crescent anchor ear 24-wears bridge safety wire rope 24 '-connecting rod
25-counterweight 26-transverse slat
3-steel tubular handrailing 4-access bridge concrete guardrail
5-corner cornue 51-straight tube 52-bend pipe
53-bolt 54-backing plate 55-pressing plate 56-junction plate
The 6-quarter block
7-moves horizontally slide block 71-wheel bracket 72-guide wheel
73-bearing pin 74-pressing plate 75-rope support
76-driving mechanism wire rope connecting hole 77-safety pin wire rope connecting hole
The electronic horizontal mobile mechanism 81-of 8-motor connects reducer 82-and moves rope reel
83-shaft coupling 84-reel connecting axle 88-wire rope
85-reel semi-circular recesses 86-nylon moves rope 87-bearing support
9-self-supporting column 91-angle steel 92-support column
93-screw rod 94-angle steel 95-feed screw nut with holes
96-" U " type fork 97-anchor ear wire rope
10-bent cap 11-job platform 12-electric appliance control box
13-bridge pier 14-driving mechanism 15-driving mechanism wire rope
16-safety lock 17-safety lock wire rope
The specific embodiment
Below in conjunction with accompanying drawing concrete structure of the present invention is described further.
See also shown in Fig. 1 to 8, a kind of suspension cable type bridge access bridge bridge pier, bent cap, case beam apparatus for examination and repair wherein, hang cable 1 and hang tag on access bridge concrete guardrail 4 as supporting mass by " ∏ " type hooking device 2, will hang cable 1 tensioning; Move horizontally slide block 7 hanging to locate to be equipped with below the cable Bridge 1 face, the guide wheel 72 that moves horizontally slide block 7 rides over and hangs on the cable 1;
Job platform 11 hangs with the driving mechanism wire rope connecting hole 76 that moves horizontally slide block 7 bottom rope supports 75 and is connected; On place, access bridge concrete guardrail 4 lower end bent caps 10 ends suspension cable 1, corner cornue 5 is housed, on the junction plate 56 of corner cornue 5, is connected with quarter block 6 with connecting rod;
One end of driving mechanism wire rope 15 is connected with driving mechanism wire rope connecting hole 76 on moving horizontally slide block 7 lower end rope supports 75, and the other end is connected with driving mechanism wire rope weight 151;
One end of driving mechanism 14 is connected with job platform 11, and the other end passes driving mechanism wire rope 15 backs and links to each other;
One end of safety lock wire rope 17 is connected with safety lock wire rope connecting hole 77 on moving horizontally slide block 7 lower end rope supports 75, and the other end is connected with safety lock wire rope weight 171;
One end of safety lock 16 is connected with job platform 11, and the other end passes safety lock wire rope 17 backs and links to each other;
In the middle of the access bridge bottom and between the ground, be provided with self-supporting column 9; On self-supporting column top electronic horizontal mobile mechanism 8 is installed, nylon moves a rope end of 86 and moves horizontally slide block 7 and be connected, after reeling by the mobile rope semi-circular recesses on the mobile rope reel 82 85 again, again by quarter block 6 with move horizontally slide block 7 and be connected, move horizontally between the slide block 7 with another and be connected moving horizontally slide block 7 with wire rope.
Described suspension cable 1 is the suspension cable 1 after applying prestressing force, is parallelly hung tag on access bridge concrete guardrail 4 by " ∏ " type hooking device 2 by 1～3 while.
Generally needing two covers or three cover suspension cables and two covers or three cover " ∏ " type hooking devices to hang tag simultaneously uses on access bridge concrete guardrail.
Described " ∏ " type hooking device 2 is installed on the access bridge concrete guardrail 4, " ∏ " type hooking device 2 is made up of each two vertical shaped steel 22 of two crossbeams 21 and access bridge concrete guardrail 4 both sides, crossbeam 21 is shelved on plane on the access bridge concrete guardrail 4, two vertical shaped steel 22 hook access bridge concrete guardrail 4 inboards, and two vertical shaped steel 22 hook access bridge concrete guardrail 4 outsides in addition; On crossbeam 21 tops two selenodont anchor ears 23 are arranged, anchor ear is on 150/4 handrail 3 of the steel pipe Ф above the access bridge; The load that hangs cable 1 is carried on the access bridge concrete guardrail 4 on the plane and steel tubular handrailing 3, safe and reliable in order to guarantee the access bridge concrete, on two vertical shaped steel 22 of " ∏ " type hooking device 2 inboards, be connected with the vertical shaped steel 22 that hangs counterweight 25 or " ∏ " type hooking device 2 inboards and bridge floor wear bridge safety wire rope 24 and connecting rod 24 ' is connected; On the vertical shaped steel 22 in " ∏ " type hooking device 2 outsides, connect a transverse slat 26 (not shown), two through holes are arranged on the transverse slat 26, as the connection perforation of two suspension cable 1 end adjusting screw(rod)s 101,101 pairs of suspension cables 1 of adjusting screw(rod) work to regulate tensioning.
The described slide block 7 that moves horizontally, comprise wheel bracket 71, guide wheel 72, bearing pin 73, pressing plate 74, rope support 75, wherein, the guide wheel 72 that moves horizontally slide block 7 rides over and hangs on the cable 1, the junction plates that four band pin-and-holes are arranged at wheel bracket 71 tops are equipped with guide wheel 72 in per two junction plates, pass connection with bearing pin 73 and tighten up with nut behind the plate hole, above bearing pin 73 1 ends, bearing pin is compressed, bearing pin is rotated with a pressing plate 74; Be connected at three bolt and nuts in wheel bracket 71 bottoms and rope support 75 usefulness and tighten up, there are two holes rope support 75 middle and lower parts, and one is driving mechanism wire rope connecting hole 76, and another is a safety lock wire rope connecting hole 77.
Described corner cornue 5, comprise straight tube 51, bend pipe 52, junction plate 56, backing plate 54, pressing plate 55, bolt 53, wherein, the corner cornue 5 that two straight tubes in bend pipe 52 two ends 51 and pressing plate 54 are welded and fused in the middle of one, be welded with junction plate with holes 56 in bend pipe 52 outsides, hang on the junction plate 56 and connect quarter block 6, be welded with backing plate 54 at two straight tube 51 places, there is screw backing plate 54 both sides, tighten up with nut after passing backing plate 54 screws with bolt 53, respectively there are two bolts 53 at corner cornue 5 two ends, and bolt 53 1 ends withstand on bent cap 10 1 sides.
Described job platform 11 is a trussed construction, its length is at 6～12 meters, and width is equipped with electric appliance control box 12 at 0.6～1 meter in the job platform 11, and be connected with each consumer with power cable, every job platform 11 two ends are connected with driving mechanism 14 and safety lock 16.
Described column truss type 9 is the self-supporting column, or is with the attaching column of column anchor ear on bridge pier 13; On bridge pier 13, an end of wire rope is connected with the attaching column attaching column with two wire rope anchor ears, and the other end is connected with adjusting screw(rod), and adjusting screw(rod) is connected with junction plate again; Wherein,
Described self-supporting column 9 constitutes trussed construction by four principal posts, its top is equipped with bracing frame, the well word bracing frame that bracing frame is made of four support columns 92 and cross bar, four support columns 92 are connected with self-supporting principal post top by angle steel 91, one feed screw nut 95 is connected with equipped good top board with holes 94, top board 94 with holes and the welding of well word bracing frame, but a screw mandrel 93 screws in height up and down in the feed screw nut 95, and screw mandrel 93 upper ends are connected with threaded " U " type fork.
Described electronic horizontal mobile mechanism 8 is installed in self-supporting column 9 tops, comprise that motor connects reducer 81, mobile rope reel 82, reel connecting axle 84, shaft coupling 83, nylon and moves rope 86 (not shown), bearing support 97, wherein, motor connects reducer 81 and is connected with reel connecting axle 84 by shaft coupling 83, the rope of moving semi-circular recesses 85 is arranged on the mobile rope reel 82, and the bearing support 87 that connects by reel connecting axle 84 two ends is connected with base plate again; Or use the hand horizontal mobile mechanism, spur with two nylon ropes, an end of a nylon rope with move horizontally slide block 7 and be connected, the other end is by quarter block 6 back personnel selection pullings; One end and another of another root nylon rope moves horizontally slide block 7 and is connected, and the other end can make unloaded job platform 11 mobile operating scopes equally by quarter block 6 back personnel selection pullings.
But, manual horizontal mobile mechanism, generally be used for job platform 11 unloaded moving, during work, be that unloaded job platform 11 is placed on the ground, move rope with pulling nylon, job platform is moved on to the position that needs, by the driving mechanism on the job platform 14 job platform is raised to the work operations position again.
Claims (8)
1, a kind of suspension cable type bridge access bridge bridge pier, bent cap, case beam apparatus for examination and repair is characterized in that:
Suspension cable (1) hangs tag by " ∏ " type hooking device (2) and goes up as supporting mass at access bridge concrete guardrail (4), will hang cable (1) tensioning; Locate to be equipped with to move horizontally slide block (7) below hanging cable (1) bridge floor, the guide wheel (72) that moves horizontally slide block (7) rides over and hangs on the cable (1);
Job platform (11) hangs with the driving mechanism wire rope connecting hole (76) that moves horizontally slide block (7) bottom rope support (75) and is connected; On access bridge concrete guardrail (4) lower end bent cap (10) end place's suspension cable (1), corner cornue (5) is housed, goes up at the junction plate (56) of corner cornue (5) and be connected with quarter block (6) with connecting rod;
One end of driving mechanism wire rope (15) is connected with driving mechanism wire rope connecting hole (76) on moving horizontally slide block (7) lower end rope support (75), and the other end is connected with driving mechanism wire rope weight (151);
One end of driving mechanism (14) is connected with job platform (11), and the other end passes driving mechanism wire rope (15) back and links to each other;
One end of safety lock wire rope (17) is connected with safety lock wire rope connecting hole (77) on moving horizontally slide block (7) lower end rope support (75), and the other end is connected with safety lock wire rope weight (171);
One end of safety lock (16) is connected with job platform (11), and the other end passes safety lock wire rope (17) back and links to each other;
In the middle of the access bridge bottom and between the ground, be provided with self-supporting column (9); On self-supporting column top electronic horizontal mobile mechanism (8) is installed, the end that nylon moves rope (86) with move horizontally slide block (7) and be connected, after reeling by the mobile rope semi-circular recesses (85) on the mobile rope reel (82) again, again by quarter block (6) with move horizontally slide block (7) and be connected, be connected with wire rope with moving horizontally between the slide block (7) moving horizontally slide block (7).
2, suspension cable type bridge access bridge bridge pier according to claim 1, bent cap, case beam apparatus for examination and repair is characterized in that:
Described suspension cable (1) is suspension cable (1) after applying prestressing force, is parallelly hung tag on access bridge concrete guardrail (4) by " ∏ " type hooking device (2) by 1～3 while.
3, suspension cable type bridge access bridge bridge pier according to claim 1, bent cap, case beam apparatus for examination and repair is characterized in that:
Described " ∏ " type hooking device (2) is installed on the access bridge concrete guardrail (4), " ∏ " type hooking device (2) is made up of two crossbeams (21) and each two vertical shaped steel (22) of access bridge concrete guardrail (4) both sides, crossbeam (21) is shelved on access bridge concrete guardrail (4) and goes up the plane, two vertical shaped steel (22) hook access bridge concrete guardrail (4) inboard, and two vertical shaped steel (22) hook access bridge concrete guardrail (4) outside in addition; On crossbeam (21) top two selenodont anchor ears (23) are arranged, anchor ear is on the steel tubular handrailing above the access bridge (3); The load that hangs cable (1) is carried on access bridge concrete guardrail (4) and goes up on plane and the steel tubular handrailing (3), on the inboard two vertical shaped steel (22) of " ∏ " type hooking device (2), be connected with hang the inboard vertical shaped steel (22) of counterweight (25) or " ∏ " type hooking devices (2) and bridge floor wear bridge safety wire rope (24) and connecting rod (24 ') is connected; Go up connection one transverse slat (26) at the vertical shaped steel (22) in " ∏ " type hooking device (2) outside, two through holes are arranged on the transverse slat (26), as the connection perforation of two suspension cables (1) end adjusting screw(rod)s (101), adjusting screw(rod) (101) works to regulate tensioning to hanging cable (1).
4, suspension cable type bridge access bridge bridge pier according to claim 1, bent cap, case beam apparatus for examination and repair is characterized in that:
The described slide block (7) that moves horizontally, comprise wheel bracket (71), guide wheel (72), bearing pin (73), pressing plate (74), rope support (75), wherein, the guide wheel (72) that moves horizontally slide block (7) rides over and hangs on the cable (1), the junction plates that four band pin-and-holes are arranged at wheel bracket (71) top are equipped with guide wheel (72) in per two junction plates, pass connection with bearing pin (73) and tighten up with nut behind the plate hole, bearing pin is compressed with a pressing plate (74) in bearing pin (73) one ends top, bearing pin is rotated; Be connected with three bolt and nuts with rope support (75) in wheel bracket (71) bottom and tighten up, there are two holes rope support (75) middle and lower part, and one is driving mechanism wire rope connecting hole (76), and another is a safety lock wire rope connecting hole (77).
5, suspension cable type bridge access bridge bridge pier according to claim 1, bent cap, case beam apparatus for examination and repair is characterized in that:
Described corner cornue (5), comprise straight tube (51), bend pipe (52), junction plate (56), backing plate (54), pressing plate (55), bolt (53), wherein, the corner cornue (5) that bend pipe (52) two straight tubes in two ends (51) and pressing plate (54) are welded and fused in the middle of one, be welded with junction plate with holes (56) in bend pipe (52) outside, hang on the junction plate (56) and connect quarter block (6), locate to be welded with backing plate (54) at two straight tubes (51), there is screw backing plate (54) both sides, tighten up with nut after passing backing plate (54) screw with bolt (53), respectively there are two bolts (53) at corner cornue (5) two ends, and bolt (53) one ends withstand on bent cap (10) one sides.
6, suspension cable type bridge access bridge bridge pier according to claim 1, bent cap, case beam apparatus for examination and repair is characterized in that:
Described job platform (11) is a trussed construction, its length is at 6～12 meters, width is at 0.6～1 meter, electric appliance control box (12) is installed in the job platform (11), and be connected with each consumer with power cable, every job platform (11) two ends are connected with driving mechanism (14) and safety lock (16).
7, suspension cable type bridge access bridge bridge pier according to claim 1, bent cap, case beam apparatus for examination and repair is characterized in that:
Described column truss type (9) is the self-supporting column, or is with the attaching column of column anchor ear on bridge pier (13); On bridge pier (13), an end of wire rope is connected with the attaching column attaching column with two wire rope anchor ears, and the other end is connected with adjusting screw(rod), and adjusting screw(rod) is connected with junction plate again; Wherein,
Described self-supporting column (9) constitutes trussed construction by four principal posts, its top is equipped with bracing frame, the well word bracing frame that bracing frame is made of four support columns (92) and cross bar, four support columns (92) are connected with self-supporting principal post top by angle steel (91), one feed screw nut (95) is connected with equipped good top board with holes (94), top board with holes (94) and the welding of well word bracing frame, one screw mandrel (93) screws in feed screw nut (95) but interior height up and down, and screw mandrel (93) upper end is connected with threaded " U " type fork.
8, suspension cable type bridge access bridge bridge pier according to claim 1, bent cap, case beam apparatus for examination and repair is characterized in that:
Described electronic horizontal mobile mechanism (8) is installed in self-supporting column (9) top, comprise that motor connects reducer (81), mobile rope reel (82), reel connecting axle (84), shaft coupling (83), nylon and moves rope (86), bearing support (87), wire rope (88), wherein, motor connects reducer (81) and is connected with reel connecting axle (84) by shaft coupling (83), the rope of moving semi-circular recesses (85) is arranged on the mobile rope reel (82), and the bearing support (87) that connects by reel connecting axle (84) two ends is connected with base plate again; Or use the hand horizontal mobile mechanism, spur with two nylon ropes, an end of a nylon rope with move horizontally slide block (7) and be connected, the other end is by the personnel selection pulling of quarter block (6) back; One end and another of another root nylon rope moves horizontally slide block (7) and is connected, and the other end can make unloaded job platform (11) mobile operating scope equally by the personnel selection pulling of quarter block (6) back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100477607A CN101514542B (en) | 2009-03-18 | 2009-03-18 | Device for overhauling bridge approach pier, bent cap and box girder of a bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100477607A CN101514542B (en) | 2009-03-18 | 2009-03-18 | Device for overhauling bridge approach pier, bent cap and box girder of a bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101514542A true CN101514542A (en) | 2009-08-26 |
| CN101514542B CN101514542B (en) | 2010-11-03 |
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| CN2009100477607A Expired - Fee Related CN101514542B (en) | 2009-03-18 | 2009-03-18 | Device for overhauling bridge approach pier, bent cap and box girder of a bridge |
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|---|---|---|---|---|
| CN102234983A (en) * | 2010-04-29 | 2011-11-09 | 无锡吊蓝机械制造有限公司 | Cable maintenance gondola for large-span cable-stayed bridges |
| CN102616673A (en) * | 2012-04-14 | 2012-08-01 | 无锡科通工程机械制造有限公司 | Chimney electric baskets of power generation project |
| CN104894967A (en) * | 2015-06-29 | 2015-09-09 | 河南易博联城规划建筑设计有限公司洛阳分公司 | Self-lifting device for bridge overhaul |
| CN107642049A (en) * | 2017-08-23 | 2018-01-30 | 柳州欧维姆机械股份有限公司 | A kind of device and its installation method changed for main rope of suspension bridge cord clip |
| CN109338908A (en) * | 2018-11-20 | 2019-02-15 | 华北水利水电大学 | A kind of obstacle avoidance apparatus of cable repair apparatus |
| CN109338908B (en) * | 2018-11-20 | 2023-11-10 | 华北水利水电大学 | Obstacle avoidance device of cable maintenance equipment |
| CN110106783A (en) * | 2019-05-31 | 2019-08-09 | 中铁第四勘察设计院集团有限公司 | Bridge structure and construction method on a kind of cable |
| CN110106783B (en) * | 2019-05-31 | 2023-12-15 | 中铁第四勘察设计院集团有限公司 | Cable upper bridge structure and construction method |
| CN112112073A (en) * | 2020-05-28 | 2020-12-22 | 广州工程总承包集团有限公司 | Piercing steel bar type supporting system and mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101514542B (en) | 2010-11-03 |
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